Driver Assistance Tool

　　This driver assistance tool detects the presence of a human voice and adjusts the volume of a car’s audio system accordingly. Car audio system manufacturers are the primary customers for such a device.

　　Our project implements a complete product that can play .wav files and adjust to the system’s environment (in this case, the presence of a human voice). The design has two parts: an MP3 player and a voice-activated volume adjustment mechanism. Each part uses a Nios® II processor.

Driver Assistance Tool




Third Prize


Driver Assistance Tool

Institution: Hanyang University

Participants: Jonguk Song, Hwanjun Kang, Kangsub Kwack




Design Introduction
This driver assistance tool detects the presence of a human voice and adjusts the volume of a car’s audio
system accordingly. Car audio system manufacturers are the primary customers for such a device.

Our project implements a complete product that can play .wav files and adjust to the system’s
environment (in this case, the presence of a human voice). The design has two parts: an MP3 player and
a voice-activated volume adjustment mechanism. Each part uses a Nios II processor.

Function Description
When a human voice